Insights into Liquidity Dynamics: Optimizing Asset Allocation and Portfolio Risk Management with Machine Learning Algorithms

Mazin A. M. Al Janabi ()
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Mazin A. M. Al Janabi: Calle Maranon 16

Chapter Chapter 4 in Liquidity Dynamics and Risk Modeling, 2024, pp 257-303 from Springer

Abstract: Abstract This chapter embarks on an in-depth exploration of modern portfolio risk management, offering robust modeling algorithms tailored for navigating the complexities of dynamic asset allocation within volatile markets. With a steadfast focus on mitigating the impacts of illiquidity and adverse market conditions, the chapter builds upon existing research to craft innovative solutions. It examines the realm of liquidity-adjusted risk modeling, aiming to forge coherent (optimal) economic capital structures while deftly navigating operational and financial constraints. Specifically tailored for portfolios featuring diverse compositions, encompassing both long and short-sales positions or long-only holdings, this chapter employs quantitative methodologies within the Liquidity-Adjusted Value-at-Risk (L-VaR) framework. Central to its methodology lies the meticulous modeling of portfolio liquidation over the holding period, achieved through a nuanced scaling of the multiple-asset L-VaR matrix. Leveraging the GARCH-M (1,1) technique to anticipate conditional volatilities and expected returns, the chapter pioneers a departure from conventional liquidity scaling factors, advocating for a more bespoke approach attuned to the unique characteristics of the assets under consideration. Furthermore, the chapter introduces a dynamic nonlinear portfolio selection model, complemented by optimization algorithms adept at allocating economic capital and trading assets with precision. This allocation process is thoughtfully calibrated to minimize the L-VaR objective function while adhering to predefined constraints on expected returns, trading volumes, and liquidation horizons. Beyond its theoretical underpinnings, the chapter underscores the practical implications of its computational techniques. It identifies promising applications across financial markets, especially in the wake of the 2007–2009 global financial crisis, and envisions broader integration into cutting-edge domains such as machine learning, artificial intelligence, financial technology (FinTech), and big data environments. By bridging the theoretical with the practical, this chapter offers a comprehensive framework for effective portfolio risk management, fostering innovation and resilience in the face of evolving market dynamics.

Keywords: Artificial intelligence (AI); Al Janabi model; Basel capital requirements; Coherent (optimal) portfolios; Data analytics; Economic capital; Efficient (optimum) portfolios; Emerging markets; Financial engineering; Financial risk management; FinTech; Internet of things (IoT); GARCH-M (1; 1) Model; Liquidity; Liquidity risk; Liquidity-Adjusted Value-at-Risk (L-VaR); Machine learning (ML); Portfolio management; Stress testing; Value-at-Risk (VaR) (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-031-71503-7_4

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DOI: 10.1007/978-3-031-71503-7_4

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